[JFFS2] Track parent inode for directories (for NFS export)
To support NFS export, we need to know the parent inode of directories.
Rather than growing the jffs2_inode_cache structure, share space with
the nlink field -- which was always set to 1 for directories anyway.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 8219df6..1750445 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -177,7 +177,10 @@
#ifdef CONFIG_JFFS2_FS_XATTR
struct jffs2_xattr_ref *xref;
#endif
- int nlink;
+ uint32_t pino_nlink; /* Directories store parent inode
+ here; other inodes store nlink.
+ Zero always means that it's
+ completely unlinked. */
};
/* Inode states for 'state' above. We need the 'GC' state to prevent